Off limits p. 2 - Matt Sturniolo
Part 1 here
Pairing: older sisters bf!Matt x innocent!reader
Summary: You’ve always had a small crush on your sister’s boyfriend. But you never acted on it, not until this summer, after you found out some things that changed everything.
Warnings: long plot?, cheating (I don’t condone cheating this is all fiction), teasing, age gap (Matt is 22 reader 18), virgin!reader, oral, lowkey mean!sister, kissing, fingering, pet names, clit spanking, “just the tip”, outercourse sex, p in v, virginity loss, sneaking around, unprotected sex, etc…
You should regret it.
You really should.
He’s not just anyone…he’s your sister’s boyfriend. Completely off limits. The one person you were never supposed to want, let alone touch. But the way he looked at you… it’s burned into your memory. The softness in his eyes, the way his voice dropped when he said your name, the way his lips felt against yours, and the way his hands moved across your skin, all of it plays on a loop in your head as you lie awake in bed. You barely slept. Every time you closed your eyes, it came back. Not just what happened… but that you didn’t pull away.
You wake up to soft light spilling into your room. The events from last night swirl in your mind, making it hard to settle. Your throat feels dry, and your stomach twists nervously.
After a few deep breaths, you push yourself out of bed and quietly make your way downstairs, hoping a bit of normalcy will calm your racing thoughts.
As you reach the kitchen, you freeze at the doorway.
Matt and your sister are there, sitting close together at the table. Your sister’s hand rests gently on Matt’s arm, her tone unusually sweet as she says, “Hey, good morning! Look, we’re all good now.” She leans in and leaves a small kiss on Matt’s cheek.
Matt nods once, his face is serious, almost cold, and he quickly looks away. He doesn’t say a word, not meeting your sister’s gaze or yours.
You force a small smile, stepping fully into the room, though the air feels thick and hard to breathe. “Morning,” you mumble, reaching for a glass of water just to give yourself something to do. You can feel Matt’s eyes on you for a split second before he looks away again.
Your sister doesn’t seem to notice the tension. She’s all smiles, too cheerful. “I was thinking we could go to the lake later,” she says. “Take the boat out. It’ll be fun.”
You shake your head lightly. “I’m not really in the mood, you guys can go, I'll just stay here.”
Matt sets his coffee down. “Same. I’m not feeling it either.”
Your sister lets out an exaggerated sigh. “Ugh, you two are so boring,” she mutters with a half-laugh, trying to brush off the tension.
Matt doesn’t respond. You don’t either.
Whatever she thought this sweet morning act would fix… clearly didn’t.
Your sister rolls her eyes, crossing her arms. “Ugh, fine.” She scoffs. “Some of my friends are staying at a cabin nearby. I’ll go hang out with them, at least they actually want to spend time with me.”
She stands up and heads to her room to get ready.
The house suddenly feels emptier without her. The silence settles heavy around you, making everything feel colder, more tense.
Later, Matt finds you alone in the living room. He hesitates for a moment, then sits down next to you.
“Can we talk?” he asks quietly.
Before you can answer. Your sister walks in, eyes narrowing as she sees you two sitting close.
“Are you sure you don’t wanna come with us?” she asks Matt.
Matt's jaw tightens slightly at her question, his eyes flickering between you and your sister. "Nah, I'm actually not feeling great today," he says, his voice flat, maintaining his serious expression.
Your sister lingers, watching the space between you two. Her smile fades slightly. “Right…” The silence stretches. Her eyes narrow, just for a second. “Have fun doing nothing,” she says, voice clipped. Then she turns and disappears down the hall, her door slamming shut a second later.
The slam of her door leaves a hollow silence behind.
You and Matt just sit there. Neither of you says a word. The quiet stretches on, heavy and uncomfortable. You shift slightly in your seat, fingers fidgeting with the hem of your sleeve. Matt stares straight ahead, jaw tense, leg bouncing.
It’s awkward. So much happened last night.
You finally break the silence.
“So… everything’s good with you guys now?”
Your voice is soft, but the question hangs sharp in the air. You don’t look at him when you ask it. You can’t.
Matt doesn’t answer right away. His jaw is locked tight. He stares straight ahead, like he’s trying to find the right words, or maybe just trying not to say the wrong ones.
Finally, he exhales, slow and shaky.
“No,” he says quietly. Then, after a beat, “That’s what she thinks.”
You nod slowly, unsure what to say. Your fingers keep fidgeting in your lap, and the silence between you feels too tight to breathe through.
Matt leans back slightly, dragging a hand through his hair. “She woke up this morning acting like everything was fixed,” he mutters, almost to himself.
You glance over at him. “And you just… went along with it?”
His eyes finally meet yours. “What was I supposed to do? I didn’t want to start another fight.” He shakes his head. “I didn’t forgive her. I just didn’t want to make a scene. Especially not with you there.”
You look away again, heart pounding harder than it should.
He sighs, rubbing the back of his neck. “It’s complicated.”
You look at him, curious and a little frustrated. “Then why are you still with her? Why don’t you just break up?”
Matt’s eyes flicker with something unreadable. “If I break up with her now… it means I have to leave the cabin and go home.” He pauses, then adds quietly, “And I wouldn’t get to see you.”
The words hang heavy between you. You don’t know what to say next.
You look away, suddenly unsure what to do with your hands. “Matt…” you start, voice soft. “She’s your girlfriend. My sister. This is… it’s wrong.”
Matt leans forward, elbows on his knees, hands clasped tightly together. “I know,” he says, voice low but urgent. “I know it’s wrong.” He pauses, looking down at his hands before meeting your gaze again. “But I can’t stop thinking about you.”
His confession hangs heavy between you, the words thick with implication. You swallow hard, heart pounding in your chest. You should say something,anything… but the words stick in your throat. Matt leans closer, his voice dropping to a whisper. “You’re the only thing I want right now. Not her.”
You shake your head slightly, eyes stinging. “Don’t say that,” you whisper, even though part of you aches to hear it again.
Matt’s voice drops lower, filled with a rough edge. “I can’t stop thinking about last night.”
His words hang heavy in the air, stirring everything you’re trying to push down.
You swallow hard, cheeks burning. Your voice is soft, almost shaky. “Last night… it shouldn’t have happened.”
Matt’s eyes search yours, a small, teasing smirk tugging at his lips. “Did you like it?” he asks quietly, his tone both playful and serious.
Your heart skips a beat. You hesitate, then nod barely noticeable, your breath catching in your throat.
Matt watches you closely, his smirk widening slightly. “Did you like my mouth between your legs?” His voice is low, almost unrecognizable, like he’s testing your reaction. Your cheeks burn hotter. You press your thighs together tightly.
"Did you like my fingers inside you?" He whispers the words directly into your ear, his breath hot against your skin. His hand moves to your thigh squeezing gently. "Because I loved it." His thumb traces patterns on your leg through your dress. "So much."
You whisper hoarsely, "Matt... stop." But your body betrays you by leaning into his touch instead of pulling away. Your hand covers his on your thigh, pushing it away slightly. Your eyes meet his intensely "This is wrong..." You remind him weakly.
Matt watches your body language carefully, how you push his hand away but spread your thighs slightly wider. He smirks slightly, knowing your denial doesn't match your actions. "You always say that," he mutters softly.
Your hand still rests lightly over his, not fully pushing him away anymore, but not pulling him closer either. Your breath trembles as you speak, voice barely above a whisper.
“What if… what if my sister finds out?”
The question hangs between you like a warning. Heavy. Real. The heat of the moment suddenly cooled by fear and guilt.
Matt’s eyes stay on yours, something unreadable flickering in them. He doesn’t answer right away.
Your question lingers in the silence, and when Matt doesn’t respond right away, something shifts inside you.
You slowly stand up, pulling your hand away from his. “I should go to my room,” you say softly, avoiding his eyes. Your voice wavers just enough to give you away.
The floor creaks under your steps. You feel his eyes on your back, but he doesn’t follow.
Matt stays there, alone in the quiet room, sinking back into the couch. He runs a hand down his face, mind racing.
Time passes. The house stays still, heavy with everything unsaid.
Then, the front door opens. Footsteps echo down the hallway.
Your sister’s voice calls out casually, “I’m back!”
Her footsteps head straight down the hall. A moment later, you hear her door open.
She’s back in the room with Matt.
You lie still in your bed.
Muted voices come from the other room. You can’t make out words, just the low murmur of your sister talking, and Matt answering every now and then, his voice quieter, duller.
You imagine her trying to cuddle up next to him, laughing, acting like everything’s normal.
Time drags. The house goes quiet again.
You’re just about to turn off your lamp to go to sleep when the door creaks open.
Matt steps in, quietly closing it behind him. His hair’s a mess, his face unreadable in the low light. He stands there for a second like he’s not sure what to say.
“Matt? What are you doing here?’ You ask in a whispering voice not wanting your sister to hear you.
"Shh," he whispers back, taking a careful step closer. His voice is thick with something you can't quite place - desire, regret, maybe both. "I can't fucking sleep knowing you're in here, next door." He runs a hand through his hair roughly, standing at the foot of your bed.
You swallow hard, watching him stand there in the moonlight streaming through your window. You're only wearing a thin tank top and shorts, your hair down and messy from sleep. Matt swallows hard too, watching you watch him. He takes another step closer. "Can I..." He pauses, clearing his throat.
You bite your lip, looking up at him through your lashes. "I… I don't know if it's a good idea." You whisper softly, pulling the covers up slightly to hide your body's reaction to him being here like this.
Matt nods slowly, like he expected that answer. But he doesn't leave. Instead, he takes another step closer until he's right at the edge of your bed. "I know," he whispers back softly. His eyes drop to where the blankets cover your chest briefly before snapping back up to your face.
Without another word, Matt carefully climbs into bed with you. He slides in behind you, pulling the blankets up over both of you. He's careful not to touch you, keeping a small gap between your bodies. But he's there. In your bed. His warmth seeping into your back despite the distance.
Matt leans in slowly, his breath warm on your neck. He pauses for a moment, giving you time to pull away if you want to. But you don't move. He takes that as a silent invitation and presses his lips gently against your neck, just below your ear.
His hand comes up to rest on your hip possessively as he kisses your neck again, this time opening his mouth slightly to suck gently. His fingers dig into your hip bone almost painfully. "Fuck..."
Matt's other hand reaches up to tangle in your hair, tilting your head to the side to give him better access to your neck. He starts to leave a trail of sucking kisses down your neck, his breathing growing heavier with each one.
Without warning, he turns you onto your back and captures your mouth with his, kissing you fiercely. His hand moves from your hip to your waist, pulling you closer. The kiss is deep, passionate, the kind of kiss that makes you forget everything else.
He breaks the kiss to trail his lips down your jaw and neck again, his hands roaming over your body under the covers. His hand moves down to your tiny shorts, teasing you through the fabric. “Fuck, you’re not wearing any panties.”
You gasp softly at the sensation of his fingers pressing against you through your shorts. "Matt... we shouldn't," you whisper breathlessly, but your body arches into his touch despite your words.
Matt ignores your protest, his fingers hooking into the waistband of your shorts and pulling them down in one swift motion. "Shh," he whispers against your ear, "You just gotta be quiet. She can't hear us… If you make any sound I’ll stop."
Matt's fingers find your center, slipping between your folds easily. He groans at how wet you already are. "Fuck, you're soaking." He starts to rub you slowly, his thumb pressing against your clit. His other hand covers your mouth, muffling any sounds that try to escape.
You bite down on his hand to keep from moaning as he adds a finger inside you, pumping it in and out slowly while his thumb circles your clit. He adds another finger, stretching you open as he kisses your neck harshly to distract you from any noise. "Shh..." He warns again.
His voice drops to a husky whisper near your ear, "You remember how good my mouth felt between your legs last time? Should I kiss you there again? Should I lick your sweet little pussy until you come all over my face?" He continues moving his fingers inside you while speaking, driving you crazy.
You whimper against his hand, your body shaking with need. You nod vigorously, your eyes pleading with him to do exactly as he suggested.
“But you gotta stay quiet, okay? You can’t make any noise.” Matt smirks against your neck before suddenly removing his fingers and sliding down between your thighs. He pushes your legs apart roughly but quietly before burying his face between them.
He starts licking you slowly, his tongue flat against your folds. He tastes you thoroughly, savoring the sweetness of your juices. His hands grip your thighs tightly, keeping your legs open as he eats you out like a starving man.
You try to keep quiet but your body betrays you when he finds your clit with his tongue and starts sucking it gently while flicking it rapidly. Your hands fly up to cover your mouth as muffled whimpers escape despite yourself.
Matt's muffled groans vibrate against you as he continues eating you out hungrily - licking, sucking, gently until suddenly two fingers enter you again while his tongue stays focused on your clit." Keep quiet baby," he whispers against you between licks."Don't wanna wake her up."
Your body tenses and shakes as he finger fucks you slowly while sucking and licking your clit. You bite down hard on your hand to keep from screaming out as the pleasure builds and builds. Tears start to stream down your face from the effort of staying quiet. But you can’t, some soft moans escape your mouth.
Matt pauses for a moment, looking up at you with a stern expression. Without warning, he slaps his wet fingers against your clit, making you jump and gasp in shock feeling a bit of pain and pleasure. “I told you to stay quiet, didn't I?”
He goes back to eating you out with renewed intensity, his fingers curling up inside you to hit that sensitive spot. Every few seconds, he pauses to slap your clit with his wet fingers or bites down gently, making you squeak and bite down harder on your hand. “Fuck, you’re so wet.”
"Look at you," he whispers against your thigh, before licking up your arousal that's dripping down. "Dying to come while trying to stay quiet. Is it turning you on more that we could get caught by your sister?" He pushes his fingers deeper inside you, curling them perfectly.
You throw your head back against the pillow, tears streaming down your face from both pleasure and the strain of staying silent. Matt's words and actions push you closer to the edge.
"Come for me baby," he whispers against your clit before sucking it hard into his mouth again. His fingers pump faster inside you while he uses his tongue expertly on that sensitive spot. "Let go," he commands softly.
Your body obeys his command, your orgasm crashing over you in waves. Your hips buck against his face as you come hard, your muffled screams turning into choked sobs. Your body shakes slightly as he continues to lick and suck your clit gently through your orgasm.
As the last waves of your orgasm subside, Matt slowly pulls his fingers out of you and wipes his face with the back of his hand. He gives you a smug smile, clearly pleased with himself. "That's a good girl," he whispers before leaning in to kiss you deeply.
He kisses you deeply, letting you taste your own sweetness on his lips. He pulls back slightly, his eyes locked onto yours. "You did so well staying quiet," he says softly, running a hand through your hair. Then he takes off his pants, letting out his hard cock.
You get a bit nervous as you see his cock for the first time. “Matt…”
"Shh, it's okay," Matt interrupts you softly, his hand coming up to cup your cheek. "I know you’re a virgin… just let me rub against you, okay? I don’t have to put it in.”
You swallow hard, nodding softly. Matt smirks slightly, clearly pleased with your trust. "Just spread your legs for me baby," he guides your legs apart gently. He settles between them, his hard length resting against your soaking wet folds without entering you. He starts to grind against you slowly, his length sliding between your lips and hitting your clit with each motion. "Fuck…"
He keeps grinding against you slowly, his cock sliding between your wet folds and hitting your clit with each thrust. The head of his cock hits your entrance but doesn't push in, just teasing you. He reaches down and spreads your legs wider apart to get better access, making soft groans in your ear.
You let out a soft whimper as he hits your clit perfectly with each grind. Your hands grip his arms tightly. "Matt... it feels so good," you whisper quietly, your hips starting to move slightly against him instinctively. He kisses you deeply to muffle any louder sounds you might make.
He groans into your mouth, his hips moving faster against you. "You feel so fucking good," he murmurs against your lips. "Your little pussy is so wet and warm."
He continues to grind against you for a few more moments before pulling back slightly to look into your eyes. His breath is ragged as he asks quietly between kisses: “Can I put just…the tip in?” He presses just slightly harder against your entrance without pushing inside yet.
You bite your lip nervously but nod slowly. "Okay..." you whisper softly. Matt gives you a gentle kiss before slowly pushing just the tip of his cock inside you. You gasp quietly at the sudden stretch and slight pain. He freezes immediately, giving you time to adjust.`"Shh..."
Matt leans down and whispers softly into your ear, "It's okay baby, it's just the tip... Fuck, you're so tight." He kisses you gently to distract you from any discomfort. He doesn't move any further inside you yet, letting you get used to the sensation of having him there.
You let out a soft sigh, relaxing slightly as the initial pain subsides. "It's okay," you whisper, "it feels... good." Matt smiles against your lips, clearly pleased with your response. He starts to move very slowly, pushing in just a fraction more but still only the tip.
Matt continues to move slowly, his hips moving in shallow thrusts.He keeps a close eye on your expression, making sure you're okay. "You're doing so well," he praises softly, his hand coming up to gently caress your cheek. "Such a good girl, taking me so well." Matt murmurs, his voice husky with desire. "You like that?"
"Mm-hmm," you whisper back, feeling a strange mix of pleasure and discomfort, feeling Matt's tip stretch you open. You're so wet and ready that he could probably push in deeper without much resistance.
Matt groans softly at your response, his hips moving in slightly deeper thrusts now. "Fuck, your little pussy is so fucking wet," he whispers against your lips. "It's pulling me in, trying to suck me deeper... Fuck."
Matt chuckles softly against your lips, his voice strained. "Shit, baby... I know I said only the tip, but fuck, you're so wet and ready for me... fuck, you're making it so hard to resist." Can I push in deeper? Just a little more?" He grinds against you harder, his cock throbbing at the thought of being deeper inside your tight pussy.
You bite your lip nervously, looking up at Matt with wide eyes. "Will... will it hurt if you go deeper?" you ask quietly, your voice shaking slightly. "I'm scared it might be too big..." You wrap your arms around his neck, holding onto him tightly.
Matt cups your face gently, kissing your forehead. "Baby, I promise, it might feel weird and a little uncomfortable at first, but I'll go really slow, okay? And if it hurts, I'll stop right away. I'd never hurt you, sweetheart." He kisses your forehead again.
Matt takes a deep breath and slowly pushes in a little deeper, his cock stretching your tight pussy. He pauses, giving you time to adjust. "You're doing so good," he whispers, his voice strained with desire. He starts to move slowly, inch by inch, pushing deeper inside you.
As he pushes deeper inside you, Matt leans down and whispers in your ear, "Remember baby... gotta stay quiet." He punctuates his words with a gentle thrust, making sure you feel him fully now. "Don't want your sister to hear us now do we?"
You whimper softly, biting your lip to muffle the sound as Matt fills you completely. It feels strange and a little uncomfortable at first, but it also feels good in a way you can't quite describe. You nod your head, understanding Matt's words.
Matt starts to move slowly, his hips rocking against yours. He kisses you deeply, swallowing any sounds that might escape your lips. "That's it," he whispers between kisses. "Just like that... fuck, your little pussy feels so good wrapped around my cock." His pace picks up slightly but remains gentle.
You feel a mix of sensations, the stretch and fullness of Matt's cock inside you, the gentle rocking of his hips against yours, and the pressure building in your lower belly. You're so turned on that you can barely think straight. The forbidden nature of it all makes it even more intense.
"You're taking me so well, baby..." he whispers, picking up the pace slightly. "Can you feel how deep I am inside you?" He grinds his hips, hitting a spot that makes you gasp silently, his hand quickly covering your mouth. "Shh... quiet."
He starts to thrust a bit faster, his cock sliding in and out of your tight pussy. He hits that spot over and over, his hand still covering your mouth to keep you quiet. He can feel you getting wetter and wetter around him, making it easier for him to move inside you.
Matt's breathing becomes heavier, his thrusts more urgent but still controlled. He leans down to kiss your neck softly, his voice low and husky in your ear. "I'm gonna fuck you harder now baby... but you gotta stay quiet." He pulls out slightly before pushing back in deeper than ever.
You nod against his shoulder, your arms wrapped tightly around him. He starts to fuck you harder, faster, his cock pounding into your pussy with each thrust. The sound of skin hitting skin fills the room but Matt's hand over your mouth keeps any noise from escaping.
Matt's hips slam against yours, his cock driving into your tight pussy over and over again. He can feel the pressure building inside him but he wants you to come first. He reaches down with his free hand and starts rubbing your clit in circles while he fucks you.
You bite down hard on Matt's hand, a muffled cry escaping your lips as he fucks you harder and rubs your clit with just the right pressure. Your pussy clenches around his cock as you get closer and closer to the edge. "Mmmph”
Matt feels your pussy tightening around him and knows you're close. He leans down to whisper in your ear, "Come for me baby... I want to feel that tight little pussy squeeze my cock." He thrusts harder and faster, his fingers working your clit furiously.
Your body tenses as the waves of pleasure wash over you. You muffle your scream into Matt's hand, your pussy convulsing around his thick cock as you come harder than you ever have before. He continues to fuck you through your orgasm, drawing it out as long as possible.
"That's it... fuck yes..." he groans quietly, feeling your orgasm pulse around his cock. He slows his thrusts but keeps moving, drawing out every last tremble of your climax. His own release is building rapidly, his balls tight against him.
With a final, deep thrust, he pulls out of your sensitive pussy and wraps his hand around his throbbing cock. He jerks himself off quickly, hot cum spilling out and coating your pussy and inner thighs.
Matt's breath is ragged as he finishes, coating your pussy and inner thighs with thick ropes of cum. He collapses beside you, pulling you into his arms as he tries to catch his breath. His hand remains loosely over your mouth, even though no more sounds are escaping.
He kisses your neck softly before removing his hand from your mouth. "You were so fucking perfect baby... I've been wanting that for so long." He runs his fingers through your hair gently before pulling out a tissue to clean up some of the mess he made.
You look up at him with wide eyes, still catching your breath. "Really?" You whisper nervously.
Matt smiles down at you warmly, his fingers tracing your cheek. "Really... I've been wanting this for a long time." He leans in to kiss you softly before pulling back slightly. “I mean I’ve always found you prettier than you sister…” he says as he starts leaving little kisses all over your neck and face. “And… kinder” he says in between kisses. “sweeter… cuter” he keeps saying in between kisses as his hands move to your sides to tickle you slightly.
You giggle softly, not making a lot of noise, trying to squirm away from his tickling fingers. "Stop..." you say playfully, pushing against his chest. "So you've always thought that?" You look up at him with innocent eyes.
Matt's eyes sparkle with amusement as he continues to tickle you, loving the way you giggle and squirm. "Mhm... always." He says between kisses on your cheeks and nose. "You're just so fucking adorable, I can't help myself."
He finally stops tickling you and wraps his arms around you tightly, holding you close. "I think we should keep doing this... if you want."
You bite your lip nervously, your arms wrapping around his neck instead of pushing him away like you usually do when he gets too close. "What if my sister finds out?" You whisper softly, your voice barely audible. "She'll kill me..." You try to joke but it comes out shaky and nervous instead.
Matt chuckles softly, understanding your concern. He runs his fingers through your hair, trying to soothe your nerves. "She doesn't have to know." He leans in closer, his voice low and reassuring. "This can be our little secret."
Taglist pt 1:
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